Hydrogen and its compoundMedium
Question
The aqueous solution of the follwoing salts will be coloured in the case fo :
Options
A.Zn(NO3)2
B.LiNO3
C.Co(NO3)2
D.CrCl3
Solution
Co2+[NiCo(NO3)2] and Cr3+ [in CrCl3 have E. C. [Ar]3d7, 4s0 and [Ar] 3d3, 4s0
respectively and thus are coloured due to d-d transition. Others are colourless.
respectively and thus are coloured due to d-d transition. Others are colourless.
Create a free account to view solution
View Solution FreeMore Hydrogen and its compound Questions
The product obtained by treating CH3 - CH = CH2 = HBr → ?...The enthalpy of combustion at 25oC of H2, cyclohexane and cyclohexene are - 241, - 3920 and - 3800 kJ/mol respectively. ...The volume of water which must be added to a mixture of 350 cm3 of 6M HCl and 650 ml of 3M HCl to get a resulting soluti...Amongst Ni(CO)4, [Ni(CN)4]2- and NiCl42- are :...Very pure hydrogen (99.9%) can be made by which of the following processes ?...